<html>
<head>
<link rel='stylesheet' href='../../../js/sh/SyntaxHighlighter.css' type='text/css' />
<script src='../../../js/sh/shCore.js'></script>
<script src='../../../js/sh/shBrushJava.js'></script>
<style>
* {
font-family:Courier New,monospace;
  padding: 0;
  margin: 0;
  white-space: nowrap;
  font-size: 11px;
}
.dp-highlighter {
  white-space: nowrap;
  overflow: visible;
  width: 600px;
  font-size: 11px;
  font-family:Courier New,monospace;
}
</style>
</head>
<body>
<textarea name='code' class='java:nogutter' rows='15' cols='120'>
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.DragDataAction;
import com.smartgwt.client.types.TreeModelType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Img;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HStack;
import com.smartgwt.client.widgets.layout.VStack;
import com.smartgwt.client.widgets.tree.Tree;
import com.smartgwt.client.widgets.tree.TreeGrid;
import com.smartgwt.client.widgets.tree.TreeNode;

public class TreeDragNodesSample implements EntryPoint {

    public void onModuleLoad() {
        
        Tree grid1Tree = new Tree();
        grid1Tree.setModelType(TreeModelType.CHILDREN);
        grid1Tree.setNameProperty("Name");
        grid1Tree.setRoot(new PartsTreeNode("Root",
            new PartsTreeNode("Bin 1",
                new PartsTreeNode("Blue Cube", "cube_blue.png"),
                new PartsTreeNode("Yellow Cube", "cube_yellow.png"),
                new PartsTreeNode("Green Cube", "cube_green.png")
            ),
            new PartsTreeNode("Bin 2",
                new PartsTreeNode("Blue Piece", "pawn_blue.png"),
                new PartsTreeNode("Green Piece", "pawn_green.png"),
                new PartsTreeNode("Yellow Piece", "pawn_yellow.png")
            )
        ));
        
        final PartsTreeGrid grid1 = new PartsTreeGrid();
        grid1.setDragDataAction(DragDataAction.MOVE);
        grid1.setData(grid1Tree);
        grid1.getData().openAll();
        
        Tree grid2Tree = new Tree();
        grid2Tree.setModelType(TreeModelType.CHILDREN);
        grid2Tree.setNameProperty("Name");
        grid2Tree.setRoot(new PartsTreeNode("Root", 
            new PartsTreeNode("Bin 3", 
                new PartsTreeNode("Blue Part", "piece_blue.png"),
                new PartsTreeNode("Green Part", "piece_green.png"),
                new PartsTreeNode("Yellow Part", "piece_yellow.png")
            )
        ));
        
        final PartsTreeGrid grid2 = new PartsTreeGrid();
        grid2.setLeft(250);
        grid2.setData(grid2Tree);
        grid2.getData().openAll();
        
        VStack moveControls = new VStack(10);
        moveControls.setWidth(32);
        moveControls.setHeight(74);
        moveControls.setLayoutAlign(Alignment.CENTER);
        
        moveControls.addMember(new Img("icons/32/arrow_right.png", 32, 32) {
            {
                addClickHandler(new ClickHandler() {
                    public void onClick(ClickEvent event) {
                        grid2.transferSelectedData(grid1);
                    }
                });
            }
        });
        
        moveControls.addMember(new Img("icons/32/arrow_left.png", 32, 32) {
            {
                addClickHandler(new ClickHandler() {
                    public void onClick(ClickEvent event) {
                        grid1.transferSelectedData(grid2);
                    }
                });
            }
        });
        
        HStack grids = new HStack(10);
        grids.setHeight(160);
        grids.addMember(grid1);
        grids.addMember(moveControls);
        grids.addMember(grid2);
        
        grids.draw();
    }

    public static class PartsTreeGrid extends TreeGrid {
        public PartsTreeGrid() {
            setWidth(200);
            setHeight(200);
            setShowEdges(true);
            setBorder("0px");
            setBodyStyleName("normal");
            setAlternateRecordStyles(true);
            setShowHeader(false);
            setLeaveScrollbarGap(false);
            setEmptyMessage("<br>Drag &amp; drop parts here");
            setManyItemsImage("cubes_all.png");
            setAppImgDir("pieces/16/");
            setCanReorderRecords(true);
            setCanAcceptDroppedRecords(true);
            setCanDragRecordsOut(true);
        }
    }

    public static class PartsTreeNode extends TreeNode {     
        public PartsTreeNode(String name, String icon) {
            this(name, icon, new PartsTreeNode[] {});
        }

        public PartsTreeNode(String name, PartsTreeNode... children) {
            this(name, null, children);
        }

        public PartsTreeNode(String name, String icon, PartsTreeNode... children) {
            setAttribute("Name", name);
            setAttribute("children", children);
            if(icon!=null)
                setAttribute("icon", icon);
        }
    }

}
</textarea>
<script class='javascript'>
dp.SyntaxHighlighter.HighlightAll("code");
</script>
</body>
</html>
